CN112665243B - Air conditioner control method, control device and system for breeding - Google Patents
Air conditioner control method, control device and system for breeding Download PDFInfo
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Abstract
The invention discloses an air conditioner control method, a control device and a system for cultivation, belonging to the field of air conditioner control; the control method comprises the following steps: receiving target parameters and environment parameters sent by a group control system; and controlling whether to start a compressor, an air supply fan and a wet film of the air conditioner or not according to the target parameter and the environmental parameter. According to the scheme, different components of the air conditioner are automatically selected to be started according to different environmental parameters and target parameters, so that the air environment of a culture place is automatically controlled, and the problem that manual adjustment and control are required according to different growth stages of poultry in the conventional method is solved; the control efficiency is improved, and the control cost is saved.
Description
Technical Field
The invention relates to an air conditioner control technology, in particular to an air conditioner control method, control device and system for cultivation.
Background
The domestic poultry breeding industry has huge market; taking chicken raising as an example, 94 hundred million chickens are sold in market in 2017, and about 200 million houses exist in nationwide cage-raised chickens; and has developed rapidly in recent years. With the national higher and higher requirements for energy conservation and environmental protection, the energy consumption of the breeding industry is facing the upgrade of clean energy.
The temperature and the fresh air volume of the poultry in the growth process are two key control parameters, the mature practice in the industry at present is to heat in a mode of burning coal and the like, cool in a mode of a water curtain, and obtain the required heat and cold through the two processes. The fresh air quantity ensures that the concentration of CO2 in the poultry growth process is not out of standard through the ventilation system.
The current method has the following problems:
1. the control precision is low, the temperature fluctuation of the poultry growth environment is large, and the survival rate is influenced;
2. the mode of burning coal and the like for heating does not save energy and has certain environmental pollution;
3. the water curtain and other refrigeration can not achieve ideal refrigeration effect in some severe climates;
the three processes of refrigeration, heating and ventilation need to be adjusted and controlled manually according to different growth stages of the poultry.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an air conditioner control method, a control device and a system for cultivation, which aim to solve the problem that the existing method needs manual adjustment and control according to different growth stages of poultry.
The technical scheme adopted by the invention for solving the technical problem comprises three aspects:
in a first aspect,
an air conditioner control method for cultivation comprises the following steps:
receiving target parameters and environment parameters sent by a group control system;
and controlling whether a compressor, an air supply fan and a wet film of the air conditioner are started or not according to the target parameter and the environmental parameter.
Further, still include:
detecting operation parameters after the air conditioner is started and judging whether the air conditioner can be normally started, wherein the operation data comprises: compressor current, outer fan current, inner fan current, exhaust temperature variation amplitude, air volume variation amplitude and air volume.
Further, the detecting the operation parameters after the air conditioner is started and judging whether the air conditioner can be normally started comprises:
judging whether the current of the compressor, the current of the outer fan and the current of the inner fan are normal or not;
when any one of the air conditioners is abnormal, judging that the air conditioner cannot be normally started; when the temperature of the exhaust gas is normal, controlling the opening degree of the expansion valve to change a preset opening degree so as to enable the amplitude of the change of the exhaust gas temperature to be larger than a preset amplitude;
when the exhaust temperature variation amplitude is not larger than a preset amplitude, judging that the air conditioner cannot be normally started; when the exhaust temperature variation amplitude is larger than a preset amplitude, controlling the air valve opening to change a preset opening so as to enable the air volume variation amplitude to be larger than a preset amplitude;
when the air volume change amplitude is not larger than the preset amplitude, judging that the air conditioner cannot be normally started; when the air volume change amplitude is larger than a preset amplitude, controlling the opening of the air valve to be the maximum opening and adjusting the frequency of the fan within a preset adjusting range to enable the air volume to be within the preset range;
when the air volume is within a preset range, judging that the air conditioner can be normally started; and when the air quantity cannot be within the preset range by adjusting the frequency of the fan within the preset range, judging that the air conditioner cannot be normally started.
Further, the receiving target parameters sent by the group control system includes: and receiving the target temperature sent by the group control system.
Further, the receiving the environmental parameters sent by the group control system includes: and receiving the indoor temperature, the outdoor temperature and the outdoor humidity sent by the group control system.
Further, the controlling whether to turn on a compressor, an air supply fan and a wet film of the air conditioner according to the target parameter and the environmental parameter includes:
when the indoor temperature is higher than the target temperature, controlling whether a compressor, an air supply fan and a wet film of the air conditioner are started or not according to the magnitude relation between the outdoor temperature and the target temperature and the outdoor humidity;
and when the indoor temperature is lower than the target temperature, controlling whether to start a compressor and an air supply fan of the air conditioner according to the magnitude relation between the outdoor temperature and the target temperature.
Further, when the indoor temperature is higher than the target temperature, controlling whether to turn on the compressor, the air supply fan and the wet film of the air conditioner according to the magnitude relation between the outdoor temperature and the target temperature and the outdoor humidity comprises:
when the outdoor temperature is lower than the target temperature, controlling an air supply fan of the air conditioner to be started;
when the outdoor temperature is higher than the target temperature, calculating the enthalpy value of outdoor air according to the outdoor humidity; when the enthalpy value is smaller than the preset enthalpy value, controlling an air supply fan and a wet film of the air conditioner to be opened; and when the enthalpy value is not less than the preset enthalpy value, controlling a compressor and an air supply fan of the air conditioner to be started.
Further, when the indoor temperature is lower than the target temperature, whether to start the compressor and the air supply fan of the air conditioner is controlled according to the magnitude relation between the outdoor temperature and the target temperature comprises the following steps:
when the outdoor temperature is higher than the target temperature, controlling an air supply fan of the air conditioner to be started;
and when the outdoor temperature is lower than the target temperature, controlling a compressor and an air supply fan of the air conditioner to be started.
In a second aspect of the present invention,
an air conditioning control device for farming, comprising:
the parameter receiving module is used for receiving the target parameters and the environmental parameters sent by the group control system;
and the air conditioner control module is used for controlling whether a compressor, an air supply fan and a wet film of the air conditioner are started or not according to the target parameter and the environmental parameter.
In a third aspect,
an air conditioning system for cultivation comprises a group control system and air conditioning equipment;
the group control system is used for enabling a user to select a pre-stored breeding mode, generating target parameters according to the breeding mode and sending the target parameters and the collected environment parameters to the air conditioning equipment;
and the air conditioning equipment adjusts the air of the culture place according to the target parameters and the environmental parameters sent by the group control system.
The technical scheme of the application adopts an air conditioner control method, a control device and a system for cultivation, wherein the control method comprises the following steps: receiving target parameters and environment parameters sent by a group control system; and controlling whether to start a compressor, an air supply fan and a wet film of the air conditioner or not according to the target parameter and the environmental parameter. According to the scheme, different components of the air conditioner are automatically selected to be started according to different environmental parameters and target parameters, so that the air environment of a culture place is automatically controlled, and the problem that manual adjustment and control are required according to different growth stages of poultry in the conventional method is solved; the control efficiency is improved, and the control cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of an air conditioning control method for cultivation according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for self-checking an air conditioner according to an embodiment of the present invention;
FIG. 3 is a control flow chart of the cooling operation according to the embodiment of the present invention;
FIG. 4 is a schematic view of an air conditioning control structure for cultivation according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an air conditioning system for cultivation according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the technical solutions of the present invention is provided with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, an embodiment of the present invention provides an air conditioner control method for cultivation, including the following steps:
receiving target parameters and environment parameters sent by a group control system;
and controlling whether to start a compressor, an air supply fan and a wet film of the air conditioner or not according to the target parameter and the environmental parameter.
The embodiment of the invention provides an air conditioner control method for cultivation, which comprises the steps of firstly receiving target parameters and environment parameters sent by a group control system; and then controlling whether to start a compressor, an air supply fan and a wet film of the air conditioner according to the target parameter and the environmental parameter. According to the scheme, different components of the air conditioner are automatically selected to be started according to different environmental parameters and target parameters, so that the air environment of a culture place is automatically controlled, and the problem that manual adjustment and control are required according to different growth stages of poultry in the conventional method is solved; the control efficiency is improved, and the control cost is saved.
In the actual control process, the air conditioner needs to be self-checked when being started so as to confirm whether the air conditioner can be normally started; as shown in fig. 2, the self-checking method detects the operation parameters of the air conditioner after starting and judges whether the air conditioner can be normally started, and the operation data includes: compressor current, outer fan current, inner fan current, exhaust temperature variation amplitude, air volume variation amplitude and air volume.
Specifically, whether the compressor current, the outer fan current and the inner fan current are normal is judged;
when any one of the air conditioners is abnormal, judging that the air conditioner cannot be normally started; when the temperature of the exhaust gas is normal, controlling the opening degree of the expansion valve to change by a preset opening degree so as to enable the amplitude of the change of the exhaust gas temperature to be larger than a preset amplitude; when the air conditioner is normal, the opening degree of the expansion valve changes by a certain value, the exhaust temperature changes by a certain value, and whether the expansion valve is normal or not is judged according to the corresponding relation of the two change values.
When the variation amplitude of the exhaust temperature is not greater than the preset amplitude, judging that the air conditioner cannot be normally started; when the exhaust temperature variation amplitude is larger than the preset amplitude, controlling the opening of the air valve to vary the preset opening so as to enable the air volume variation amplitude to be larger than the preset amplitude; the principle is the expansion valve detection principle, and will not be described in detail here.
When the air volume change amplitude is not larger than the preset amplitude, judging that the air conditioner cannot be normally started; when the air volume change amplitude is larger than the preset amplitude, controlling the opening of the air valve to be the maximum opening and adjusting the frequency of the fan within the preset adjusting range to enable the air volume to be within the preset range; illustratively, firstly, controlling an air valve to a maximum opening degree, then adjusting the frequency of a fan to a preset frequency, and detecting whether the air volume reaches a target air volume (an error of 10% is allowed); when the target air volume is not reached, the fan frequency is continuously adjusted (in the actual control process, the preset frequency is generally the lowest frequency of the allowable adjustment range of the fan frequency, and when the fan frequency is continuously adjusted, the fan frequency is sequentially increased), and if the air volume cannot reach the target air volume within the allowable adjustment range of the fan frequency, the condition that the air conditioner fan is abnormal is indicated.
When the air volume is within a preset range, judging that the air conditioner can be normally started; and when the air quantity cannot be within the preset range by adjusting the frequency of the fan within the preset range, judging that the air conditioner cannot be normally started.
And after the self-checking is passed, whether the air conditioner compressor, the air supply fan and the wet film are started or not is further controlled by receiving the target temperature, the indoor temperature, the outdoor temperature and the outdoor humidity which are sent by the group control system.
And according to the relation between the target temperature and the indoor temperature, the method is divided into temperature reduction control and temperature rise control. When the indoor temperature is higher than the target temperature, the temperature is reduced; when the indoor temperature is lower than the target temperature, the temperature rise control is performed.
As shown in fig. 3, when the outdoor temperature is lower than the target temperature, the air supply fan of the air conditioner is controlled to be turned on; the indoor air is replaced by the outdoor air with lower temperature, so that the purpose of reducing the temperature is achieved.
When the outdoor temperature is higher than the target temperature, the enthalpy value of the outdoor air is calculated according to the outdoor humidity; when the enthalpy value is smaller than the preset enthalpy value, controlling an air supply fan and a wet film of the air conditioner to be opened; the outdoor air is subjected to isenthalpic humidification through water with lower temperature in the wet film and then is sent to the room for cooling.
And when the enthalpy value is not less than the preset enthalpy value, controlling a compressor and an air supply fan of the air conditioner to be started. The frequency at which the compressor is turned on can be automatically adjusted according to the load requirements of the room.
The temperature rise control is as follows: when the outdoor temperature is higher than the target temperature, controlling an air supply fan of the air conditioner to be started; the indoor air is replaced by the outdoor air with higher temperature, so that the purpose of raising the temperature is achieved.
When the outdoor temperature is lower than the target temperature, the compressor and the air supply fan of the air conditioner are controlled to be started, and the starting frequency of the compressor can be automatically adjusted according to the indoor load requirement.
As shown in fig. 4, the present invention also provides an air conditioning control device for cultivation, comprising:
the parameter receiving module 41 is configured to receive a target parameter and an environmental parameter sent by the group control system; specifically, the target temperature, the indoor temperature, the outdoor temperature and the outdoor humidity sent by the group control system are received.
And the air conditioner control module 42 is used for controlling whether to start a compressor, an air supply fan and a wet film of the air conditioner according to the target parameter and the environmental parameter.
In some embodiments, when the indoor temperature is higher than the target temperature, whether a compressor, an air supply fan and a wet film of the air conditioner are started is controlled according to the magnitude relation between the outdoor temperature and the target temperature and the outdoor humidity; specifically, when the outdoor temperature is lower than the target temperature, the air supply fan of the air conditioner is controlled to be started; when the outdoor temperature is higher than the target temperature, the enthalpy value of the outdoor air is calculated according to the outdoor humidity; when the enthalpy value is smaller than the preset enthalpy value, controlling an air supply fan and a wet film of the air conditioner to be opened; and when the enthalpy value is not less than the preset enthalpy value, controlling a compressor and an air supply fan of the air conditioner to be started.
In other embodiments, when the indoor temperature is lower than the target temperature, whether to start the compressor and the air supply fan of the air conditioner is controlled according to the magnitude relation between the outdoor temperature and the target temperature. Specifically, when the outdoor temperature is higher than the target temperature, the air supply fan of the air conditioner is controlled to be started; and when the outdoor temperature is lower than the target temperature, controlling the compressor and the air supply fan of the air conditioner to be started.
Air conditioner self-checking module 43 for detecting the operation parameter after the air conditioner starts and judging whether the air conditioner can be normally opened, the operation data includes: compressor current, outer fan current, inner fan current, exhaust temperature variation amplitude, air volume variation amplitude and air volume. Specifically, whether the compressor current, the outer fan current and the inner fan current are normal is judged; when any one of the air conditioners is abnormal, judging that the air conditioner cannot be normally started; when the temperature of the exhaust gas is normal, controlling the opening degree of the expansion valve to change by a preset opening degree so as to enable the amplitude of the change of the exhaust gas temperature to be larger than a preset amplitude; when the variation amplitude of the exhaust temperature is not greater than the preset amplitude, judging that the air conditioner cannot be normally started; when the exhaust temperature variation amplitude is larger than the preset amplitude, controlling the opening of the air valve to vary the preset opening so as to enable the air volume variation amplitude to be larger than the preset amplitude; when the air volume change amplitude is not larger than the preset amplitude, judging that the air conditioner cannot be normally started; when the air volume change amplitude is larger than the preset amplitude, controlling the opening of the air valve to be the maximum opening and adjusting the frequency of the fan within the preset adjusting range to enable the air volume to be within the preset range; when the air volume is within a preset range, judging that the air conditioner can be normally started; and when the air quantity cannot be within the preset range by adjusting the frequency of the fan within the preset range, judging that the air conditioner cannot be normally started.
According to the air conditioner control device provided by the embodiment of the invention, the air conditioner self-checking module detects the operation parameters after the air conditioner is started and judges whether the air conditioner can be normally started or not; the parameter receiving module receives target parameters and environment parameters sent by the group control system; the air conditioner control module controls whether to start a compressor, an air supply fan and a wet film of the air conditioner according to the target parameter and the environmental parameter. The control device of the embodiment of the invention automatically judges the outdoor working condition and the indoor load condition, adopts different control methods under different indoor and outdoor conditions, realizes energy-saving operation and reduces the operation cost.
As shown in fig. 5, an embodiment of the present invention provides an air conditioning system for cultivation, including a group control system 51 and an air conditioning device 52;
the group control system is used for enabling a user to select a pre-stored breeding mode, generating target parameters according to the breeding mode and sending the target parameters and the collected environment parameters to the air conditioning equipment; the dynamic change parameters in the culture period are collected and calculated through group control and are issued to the air conditioning equipment, the air conditioning equipment automatically controls a compressor, a fan, an air valve, a wet film and the like according to the parameters issued by the group control, and the indoor temperature, the fresh air volume and the like are controlled within the required range. The system realizes convenient input of complex dynamic parameters through the group control system, and combines the input parameters into a fixed breeding mode, so that the unit can automatically adjust the operation parameters in a breeding period according to the fixed breeding mode, and the breeding requirements are met. A large amount of data of a conventional unit is very troublesome to input, and parameters need to be manually adjusted every day according to requirements; the conventional unit needs to input and set hundreds of parameters one by one through the display interaction device. The group control system in the embodiment of the invention combines the parameters of fresh air volume, temperature and the like which change day by day for breeding different varieties of animals into a fixed breeding mode, and writes the fixed breeding mode in a group control program. When the system is actually used by a client, different culture mode parameters (which can be locally modified after being called) can be called through the group control interface, and the parameters are issued to the air conditioning equipment day by day and serve as a control target for the operation of the air conditioning equipment.
And the air conditioning equipment adjusts the air of the culture place according to the target parameters and the environmental parameters sent by the group control system. The air conditioning equipment automatically adjusts the operation mode and the frequency output of the compressor through double-load calculation and judgment of indoor load and outdoor working condition, so that the energy consumption of the unit reaches the optimal level; in the aspect of indoor load, according to the growth characteristics of breeding objects (such as chickens), the heat load which changes day by day in a breeding period is input in advance, and the frequency of a compressor is adjusted and output day by day according to the load; in the aspect of outdoor working conditions, only the blower is started to send fresh air when the outdoor enthalpy is lower by judging the outdoor enthalpy; when the outdoor enthalpy value is within a certain range, the wet film humidifier is started to reduce the indoor temperature; and when the outdoor enthalpy value is higher, the compressor is started to cool.
The common air conditioning system reduces the internal temperature of the henhouse by starting the compressor to do work, and the compressor and the air supply fan are started under different indoor and outdoor working conditions, so that the power consumption is higher. The equipment can detect parameters such as outdoor temperature and humidity, indoor temperature and humidity, set target temperature and water temperature and the like, calculate, and determine that only the blower or the wet film and the compressor are started according to the calculation result. Through the air conditioning equipment, only the air feeder or the wet film needs to be started in most transition seasons or when the indoor load is low, the compressor does not need to be started, and the power consumption of the equipment is greatly reduced.
As a preferred implementation mode of the embodiment of the invention, the air conditioning equipment adopts a direct expansion air conditioning unit, a heat pump system in the unit is combined with an air treatment system, a heat pump part comprises a variable frequency scroll compressor, an axial flow condensing fan and a fin coil type condenser, and the air treatment part comprises a variable frequency EC fan, a wet film humidifier, a fin coil type evaporator, an electric air valve and the like. The unit can detect indoor temperature, humidity and CO2 concentration, and realize automatic control of target parameters, debugging and automatic control of operation through automatic control of the parameters.
The air conditioning system provided by the embodiment of the invention integrates the direct expansion type air conditioning unit and the group control system, can set parameters for various different cultured objects at one time, and the equipment changes a control target day by day according to the set parameters and automatically debugs and operates, thereby meeting the requirements of temperature, air volume and the like required by culture and realizing optimal energy conservation. The one-key control and unattended integrated special culture equipment replaces the traditional systems for culture air supply, boilers, water curtains, air treatment and the like, has the following advantages,
1. the dynamic automatic change of parameters such as temperature, fresh air volume and the like in a culture period is realized, the automatic switching of modes such as refrigeration, heating, air supply and the like is realized, and the manual maintenance cost is reduced;
2. the automatic debugging function of the unit can carry out self-checking on components and automatically match the opening degree of an air valve, the frequency of a fan and the like along with the engineering condition, the debugging cost is reduced,
3. the outdoor working condition and the indoor load condition are automatically judged, energy-saving operation under different working conditions is realized through an energy-saving control strategy, and the operation cost is reduced.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (8)
1. An air conditioner control method for cultivation is characterized by comprising the following steps:
receiving target parameters and environment parameters sent by a group control system;
controlling whether a compressor, an air supply fan and a wet film of the air conditioner are started or not according to the target parameter and the environmental parameter;
further comprising:
detecting operation parameters after the air conditioner is started and judging whether the air conditioner can be normally started, wherein the operation parameters comprise: compressor current, outer fan current, inner fan current, exhaust temperature variation amplitude, air volume variation amplitude and air volume;
the detecting the operation parameters of the air conditioner after the air conditioner is started and judging whether the air conditioner can be normally started comprises the following steps:
judging whether the current of the compressor, the current of the outer fan and the current of the inner fan are normal or not;
when any one of the air conditioners is abnormal, judging that the air conditioner cannot be normally started; when the temperature of the exhaust gas is normal, controlling the opening degree of the expansion valve to change a preset opening degree so as to enable the amplitude of the change of the exhaust gas temperature to be larger than a preset amplitude;
when the exhaust temperature variation amplitude is not larger than a preset amplitude, judging that the air conditioner cannot be normally started; when the exhaust temperature variation amplitude is larger than a preset amplitude, controlling the air valve opening to change a preset opening so as to enable the air volume variation amplitude to be larger than a preset amplitude;
when the air volume change amplitude is not larger than the preset amplitude, judging that the air conditioner cannot be normally started; when the air volume change amplitude is larger than a preset amplitude, controlling the opening of the air valve to be the maximum opening and adjusting the frequency of the fan within a preset adjusting range to enable the air volume to be within the preset range;
when the air volume is within a preset range, judging that the air conditioner can be normally started; and when the air quantity cannot be within the preset range by adjusting the frequency of the fan within the preset range, judging that the air conditioner cannot be normally started.
2. The method of claim 1, wherein: the receiving target parameters sent by the group control system comprises: and receiving the target temperature sent by the group control system.
3. The method of claim 2, wherein: the receiving of the environmental parameters sent by the group control system comprises: and receiving the indoor temperature, the outdoor temperature and the outdoor humidity sent by the group control system.
4. The method of claim 3, wherein: the controlling whether to start the compressor, the air supply fan and the wet film of the air conditioner according to the target parameter and the environmental parameter comprises:
when the indoor temperature is higher than the target temperature, controlling whether a compressor, an air supply fan and a wet film of the air conditioner are started or not according to the magnitude relation between the outdoor temperature and the target temperature and the outdoor humidity;
and when the indoor temperature is lower than the target temperature, controlling whether to start a compressor and an air supply fan of the air conditioner according to the magnitude relation between the outdoor temperature and the target temperature.
5. The method of claim 4, wherein: when the indoor temperature is higher than the target temperature, whether a compressor, an air supply fan and a wet film of the air conditioner are started or not is controlled according to the magnitude relation between the outdoor temperature and the target temperature and the outdoor humidity, and the method comprises the following steps:
when the outdoor temperature is lower than the target temperature, controlling an air supply fan of the air conditioner to be started;
when the outdoor temperature is higher than the target temperature, calculating the enthalpy value of outdoor air according to the outdoor humidity; when the enthalpy value is smaller than the preset enthalpy value, controlling an air supply fan and a wet film of the air conditioner to be opened; and when the enthalpy value is not less than the preset enthalpy value, controlling a compressor and an air supply fan of the air conditioner to be started.
6. The method of claim 4, wherein: when the indoor temperature is lower than the target temperature, whether a compressor and an air supply fan of the air conditioner are started or not is controlled according to the magnitude relation between the outdoor temperature and the target temperature, and the method comprises the following steps:
when the outdoor temperature is higher than the target temperature, controlling an air supply fan of the air conditioner to be started;
and when the outdoor temperature is lower than the target temperature, controlling a compressor and an air supply fan of the air conditioner to be started.
7. An air conditioning control device for aquaculture, comprising:
the parameter receiving module is used for receiving the target parameters and the environmental parameters sent by the group control system;
the air conditioner control module is used for controlling whether a compressor, an air supply fan and a wet film of the air conditioner are started or not according to the target parameter and the environmental parameter;
still include air conditioner self-checking module for detect air conditioner start back operating parameter and judge whether the air conditioner can normally open, operating parameter includes: compressor current, outer fan current, inner fan current, exhaust temperature variation amplitude, air volume variation amplitude and air volume;
the detecting the operation parameters of the air conditioner after the air conditioner is started and judging whether the air conditioner can be normally started comprises the following steps:
judging whether the current of the compressor, the current of the outer fan and the current of the inner fan are normal or not;
when any one of the air conditioners is abnormal, judging that the air conditioner cannot be normally started; when the temperature of the exhaust gas is normal, controlling the opening degree of the expansion valve to change a preset opening degree so as to enable the amplitude of the change of the exhaust gas temperature to be larger than a preset amplitude;
when the exhaust temperature variation amplitude is not larger than a preset amplitude, judging that the air conditioner cannot be normally started; when the exhaust temperature variation amplitude is larger than a preset amplitude, controlling the air valve opening to change a preset opening so as to enable the air volume variation amplitude to be larger than a preset amplitude;
when the air volume change amplitude is not larger than the preset amplitude, judging that the air conditioner cannot be normally started; when the air volume change amplitude is larger than a preset amplitude, controlling the opening of the air valve to be the maximum opening and adjusting the frequency of the fan within a preset adjusting range to enable the air volume to be within the preset range;
when the air volume is within a preset range, judging that the air conditioner can be normally started; and when the air quantity cannot be within the preset range by adjusting the frequency of the fan within the preset range, judging that the air conditioner cannot be normally started.
8. An air conditioning system for farming, characterized in that: the system comprises a group control system and air conditioning equipment;
the group control system is used for enabling a user to select a pre-stored breeding mode, generating target parameters according to the breeding mode and sending the target parameters and the collected environment parameters to the air conditioning equipment;
the air conditioning equipment is used for executing the method of any one of claims 1-6 to adjust the air of the culture place according to the target parameters and the environmental parameters sent by the group control system.
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| CN115371210A (en) * | 2022-07-28 | 2022-11-22 | 湖北中健医疗用品有限公司 | Energy-saving control method, medium, device and terminal for purifying air conditioning system |
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